Why there are quite few urine early pregnancy test kit for cow?

Unlike human, pregnant cows do not produce the hormone HCG, which makes it impossible to use a human urine early pregnancy test kit for cow testing.

History of the Home Pregnancy Test - The Atlantic

Specific considerations for pregnant vets and their employers - Veterinary Woman

Is My Dog Pregnant?

Bellylabs Pregnancy Test for Dogs is the best selling early detection rapid dog pregnancy test kit for home use. Testing is fast, safe, easy and

Bellylabs Pregnancy Test For Dogs

1 Imported High Quality---Pregnancy test paper for cows, with high accuracy, can quickly detect whether the cow is pregnant.Two red bands (zone C and

GLOGLOW Cow Pregnancy Test Paper, 10 Pcs Cow Pregnancy Test Paper Livestock Disposable Early Pregnant Detection Testing Tool Livestock Supplies

Kits to help confirm pregnancy in cows Thiruvananthapuram News - Times of India

2 Clearblue Early Pregnancy Test 6 Days Early Detection Testing Kits 2 Tests

Pregnancy test kit warning over false negatives - NZ Herald

Pregnancy Tests - How Do They Work and When Should I Have One?

Pregnancy Test Strips

Progesterone Test Kit to Determine Swine Pregnancy – Chulalongkorn University

False Positive Pregnancy Test: 5 Reasons This Can Happen